document.write( "Question 281534: How do you solve:\r
\n" ); document.write( "\n" ); document.write( "Jeff wants to make 30 gallons of a 42% alcohol solution by mixing a 30% alcohol solution with a 70% alcohol solution. How many gallons of each solution does he need? \r
\n" ); document.write( "\n" ); document.write( "Thank you!
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Algebra.Com's Answer #204525 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
just like all mixture problems.
\n" ); document.write( "30*.42=.3x+.7y
\n" ); document.write( "x+y=30\r
\n" ); document.write( "\n" ); document.write( "x=21
\n" ); document.write( "y=9
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